Re: [xsl] Odd Result-Document Behavior

Eliot Kimber ekimber(_at_)contrext(_dot_)com wrote:
> I?m using Saxon 9.6.0.7 via Oxygen.
>
> I?m using xsl:result-document with @format to generate result documents.
> If I use a variable reference in @format the referenced xml:output is
> not used. If I replace the variable reference with a string literal I
> get the expected output (in both cases the attribute is an attribute
> value template).
>
> My initial code is:
>
> <xsl:result-documenthref="{$mapUri}"format="{$mapFormat}?>
>
>
> Where $mapFormat has the string value ?map? and the ?map? output
> declaration is present:
>
>
> <xsl:paramname="mapFormat"as="xs:string"select="'map'?/>
>
>
> <xsl:output name="map"
>      method="xml"
>      doctype-public="-//OASIS//DTD DITA Map//EN"
>      doctype-system="map.dtd"
>      indent="yes"
> />
>
>
> When I run this, the output is not used (result document has no DOCTYPE
> decl and is not indented).
>
> If I replace format="{$mapFormat}? with format=?{?map?}? then I get the
> expected result (DOCTYPE decl, indented markup).
>
> So the only difference is the use of the variable reference. I?ve
> verified that $mapFormat has a value:
>
> <xsl:message>+ [DEBUG]
> mapFormat="<xsl:sequenceselect="$mapFormat"/>"</xsl:message>
>
>
> Which produces:
>
>
> + [DEBUG] mapFormat=?map"
>
> It seems unlikely that this is a Saxon bug but I?m at a loss as to what
> I could be doing wrong to cause this behavior.
It looks like a bug to me, sample stylesheet is

<xsl:stylesheet xmlns:xsl="http://www.w3.org/1999/XSL/Transform"; 
version="2.0">
<xsl:param name="map" select="'map'"/>

 <xsl:output name="map"
    method="xml"
    doctype-public="-//OASIS//DTD DITA Map//EN"
    doctype-system="map.dtd"
    indent="yes"
  />


<xsl:template name="main">
  <xsl:result-document href="test2015122301Output.xml" format="{$map}">
    <root>
      <foo>bar</foo>
    </root>
  </xsl:result-document>
  <xsl:result-document href="test2015122302Output.xml" format="{'map'}">
    <root>
      <foo>bar</foo>
    </root>
  </xsl:result-document>
</xsl:template>

</xsl:stylesheet>

and the test2015122301Output.xml then looks like

<?xml version="1.0" encoding="UTF-8"?><root><foo>bar</foo></root>

while the second is test2015122302Output.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE root
  PUBLIC "-//OASIS//DTD DITA Map//EN" "map.dtd">
<root>
   <foo>bar</foo>
</root>

Tested with Saxon-HE 9.6.0.7J from Saxonica
Java version 1.8.0_66
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